﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Data;

namespace Albatross.WPF.Common.Views {
	/// <summary>
	/// return true if it is null
	/// </summary>
	public class NullCheckConverter : IValueConverter {
		public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) {
			if (value == null) {
				return true;
			} else {
				return false;
			}
		}

		public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) {
			throw new NotSupportedException();
		}
	}
}
